UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'NWHjOvtfPqy9OsPDXk3qRROjJwMBPBMcfCRRYLiP07c=' 
WHERE 
  key_id = '860f0cf43b2b56dfd6377d18048b7740e9c36461a3b246d1af0245d789d07f6b' 
  AND (
    token = 'NWHjOvtfPqy9OsPDXk3qRROjJwMBPBMcfCRRYLiP07c=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )